Norgren 8474200.0000.00000 Stainless Angle Seat Valve - 2/2
Part Number: 8474200.0000.00000
Quick Summary
Stainless Angle Seat Valve by Norgren, model 8474200.0000.00000, is a compact 2/2 NC valve designed for precise control of gases and liquids in automation lines. In the field, contamination, clogging, and unexpected shutoffs challenge uptime and process reliability; this valve's dampened closing and built‑in visual position indicator help minimize water hammer and simplify diagnostics. The data sheet confirms stainless steel body construction and PTFE seat, with a G1/2 port, and a broad operating envelope of -10 to 60 °C (14 to 140 °F) and 0 to 16 bar (0 to 232 psi). While certifications like CE, IP, or SIL are not listed on the page, consult the datasheet for compliance. This combination delivers robust flow control with straightforward maintenance and strong lifecycle value.
Product Information
Extended Description
8474200.0000.00000 Norgren: Visual position indicator as standard | Dampened closing (closes against flow direction) | Suitable for contaminated flow fluids | Suitable for vacuum up to max. 90% | Reversed flow direction optional
Medium
Gases, Liquids
Operating Temperature
-10 ... 60 °C, 14 ... 140 °F
Operating Pressure
0 ... 16 bar, 0 ... 232 psi
Port Size
G1/2
Function
NC
Valve operation
2/2
Materials - Body
Stainless steel
Materials - Seat Seal
PTFE
Range
84740
Brand
IMI Buschjost
Feature: Stainless steel body with PTFE seat seal. Business impact: This pairing delivers excellent corrosion resistance and durable sealing in aggressive media, lowering maintenance costs and extending service life. Application: Ideal for gas and liquid lines in chemical processing, pharmaceutical equipment, and process installations where reliability and cleanability are essential. Feature: G1/2 port size in a compact form. Business impact: Standard porting reduces installation time and compatibility risks with existing manifolds. Application: Fit for tight automation spaces and retrofit projects where space is at a premium and quick integration is needed. Feature: 2/2 normally closed operation. Business impact: Delivers straightforward control logic and reliable isolation in sequencing circuits, minimizing valve sitetime and energy use. Application: Shut-off and isolation roles in pneumatically actuated systems, valve banks, and safety interlocks. Feature: Visual position indicator (VPI) included. Business impact: Enables rapid status checks during commissioning and routine operation, reducing downtime and nuisance faults. Application: Field service and maintenance tasks where immediate valve position feedback saves time. Feature: Dampened closing (closes against flow direction). Business impact: Prevents hydraulic shock and backflow, protecting pumps and sensors in sensitive processes. Application: Handling contaminated fluids or liquids with varying flow direction and in vacuum lines. Feature: Wide operating range and materials compatibility. Business impact: Temperature range -10 to 60 °C and pressure 0 to 16 bar expand use cases across industries, while stainless steel and PTFE seat ensure long-term performance and compliance with cleanliness standards. Application: general automation lines, vacuum up to 90%, and systems requiring robust performance with fluids and gases.
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FAQs
Install with standard G1/2 fittings in the specified orientation. Ensure compatible manifolds and piping exist to maintain the G1/2 port performance. The valve’s stainless steel body and PTFE seat support reliable sealing even in contaminated fluids, but verify torque recommendations and thread sealing practices per the datasheet to prevent leaks.
2/2 NC means the valve is normally closed and opens when actuated, providing clear isolation when de-energized. This simplifies control logic and reduces standby energy. In sequencing loops, this behavior ensures predictable shutoff and straightforward fail-safe behavior, especially when combined with the dampened closing feature.
Yes. The stainless steel body and PTFE seat are designed for robustness against contaminants, while the valve supports vacuum conditions up to 90% and pressures up to 16 bar. Always confirm the exact media compatibility and certification requirements from the datasheet for your specific application and regulatory needs.
The G1/2 port size aligns with common fittings, simplifying integration. The visual position indicator speeds commissioning and maintenance checks, and the dampened closing reduces hydraulic shocks. Routine maintenance focuses on verifying seals and cleanliness of the PTFE seat, with the stainless steel body helping resist corrosion in harsh environments.
Longer service intervals and lower maintenance costs come from the corrosion-resistant stainless steel body and durable PTFE seat. The visual position indicator reduces downtime during start-up and routine checks, while the robust design supports reduced replacement frequency and improved process reliability in demanding automation environments.